| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 阴 | 0°/-7° | 0.0 mm |
| 2026-01-02 | 阴 | -2°/-5° | 0.0 mm |
| 2026-01-03 | 雾 | 0°/-5° | 0.0 mm |
| 2026-01-04 | 阴 | 1°/-3° | 0.0 mm |
| 2026-01-05 | 阴 | 10°/0° | 0.0 mm |
| 2026-01-06 | 雾 | 5°/1° | 0.0 mm |
| 2026-01-07 | 雾 | 13°/-1° | 0.0 mm |
| 2026-01-08 | 中雨 | 14°/4° | 12.7 mm |
| 2026-01-09 | 阴 | 6°/0° | 0.0 mm |
| 2026-01-10 | 中雪 | 2°/-2° | 1.6 mm |
| 2026-01-11 | 雾 | 0°/-5° | 0.0 mm |
| 2026-01-12 | 多云 | 8°/-2° | 0.0 mm |
| 2026-01-13 | 阴 | 11°/1° | 0.0 mm |
| 2026-01-14 | 阴 | 4°/-7° | 0.0 mm |
| 2026-01-15 | 中雪 | -1°/-12° | 0.4 mm |
| 2026-01-16 | 阴 | 4°/-6° | 0.0 mm |
| 2026-01-17 | 中雪 | -8°/-13° | 0.4 mm |
| 2026-01-18 | 中雪 | -6°/-14° | 0.4 mm |
| 2026-01-19 | 阴 | -11°/-18° | 0.0 mm |
| 2026-01-20 | 阴 | -3°/-16° | 0.0 mm |
| 2026-01-21 | 阴 | 4°/-8° | 0.0 mm |
| 2026-01-22 | 多云 | -3°/-13° | 0.0 mm |
| 2026-01-23 | 阴 | -14°/-24° | 0.0 mm |
| 2026-01-24 | 阴 | -15°/-21° | 0.0 mm |
| 2026-01-25 | 阴 | -11°/-17° | 0.0 mm |
| 2026-01-26 | 阴 | -9°/-20° | 0.0 mm |
| 2026-01-27 | 多云 | -7°/-14° | 0.0 mm |
| 2026-01-28 | 多云 | -3°/-16° | 0.0 mm |
| 2026-01-29 | 阴 | -7°/-14° | 0.0 mm |
| 2026-01-30 | 阴 | -9°/-18° | 0.0 mm |
| 2026-01-31 | 多云 | -3°/-16° | 0.0 mm |
2026年01月华盛顿共记录 31 天，平均最高 0℃、最低 -9℃，降水日 5 天。